Subtract 90/6 from 27/84
1st number: 27/84, 2nd number: 15 0/6
27/84 - 90/6 is -411/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
27/84 = 27 × 1/84 × 1 = 27/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
90/6 = 90 × 14/6 × 14 = 1260/84 - Subtract the two like fractions:
27/84 - 1260/84 = 27 - 1260/84 = -1233/84 - After reducing the fraction, the answer is -411/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/84-90/6 27/84-90/12 81/84-90/6 27/84-90/18 27/84-90/30 27/84-90/42